The 2009–10 network television schedule for the five major English-language commercial broadcast networks in the United States. The schedule covers primetime hours from September 2009 through August 2010. The schedule is followed by a of returning series, new series, and series canceled after the 2008–09 season. Fox was the first to announce its fall schedule on May 18, 2009, followed by ABC and NBC on May 19, CBS on May 20, and The CW on May 21, 2009. New series are highlighted in bold.